test/CodeGen/X86/avx512-shuffles/duplicate-low.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+avx512f,+avx512vl %s -o - | FileCheck %s

define <2 x double> @test_2xdouble_dup_low(<2 x double> %vec) {
; CHECK-LABEL: test_2xdouble_dup_low:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovddup {{.*#+}} xmm0 = xmm0[0,0]
; CHECK-NEXT:    retq
  %res = shufflevector <2 x double> %vec, <2 x double> undef, <2 x i32> <i32 0, i32 0>
  ret <2 x double> %res
}
define <2 x double> @test_masked_2xdouble_dup_low_mask0(<2 x double> %vec, <2 x double> %vec2, <2 x double> %mask) {
; CHECK-LABEL: test_masked_2xdouble_dup_low_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqpd %xmm3, %xmm2, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} xmm1 {%k1} = xmm0[0,0]
; CHECK-NEXT:    vmovapd %xmm1, %xmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <2 x double> %vec, <2 x double> undef, <2 x i32> <i32 0, i32 0>
  %cmp = fcmp oeq <2 x double> %mask, zeroinitializer
  %res = select <2 x i1> %cmp, <2 x double> %shuf, <2 x double> %vec2
  ret <2 x double> %res
}

define <2 x double> @test_masked_z_2xdouble_dup_low_mask0(<2 x double> %vec, <2 x double> %mask) {
; CHECK-LABEL: test_masked_z_2xdouble_dup_low_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} xmm0 {%k1} {z} = xmm0[0,0]
; CHECK-NEXT:    retq
  %shuf = shufflevector <2 x double> %vec, <2 x double> undef, <2 x i32> <i32 0, i32 0>
  %cmp = fcmp oeq <2 x double> %mask, zeroinitializer
  %res = select <2 x i1> %cmp, <2 x double> %shuf, <2 x double> zeroinitializer
  ret <2 x double> %res
}
define <2 x double> @test_masked_2xdouble_dup_low_mask1(<2 x double> %vec, <2 x double> %vec2, <2 x double> %mask) {
; CHECK-LABEL: test_masked_2xdouble_dup_low_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqpd %xmm3, %xmm2, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} xmm1 {%k1} = xmm0[0,0]
; CHECK-NEXT:    vmovapd %xmm1, %xmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <2 x double> %vec, <2 x double> undef, <2 x i32> <i32 0, i32 0>
  %cmp = fcmp oeq <2 x double> %mask, zeroinitializer
  %res = select <2 x i1> %cmp, <2 x double> %shuf, <2 x double> %vec2
  ret <2 x double> %res
}

define <2 x double> @test_masked_z_2xdouble_dup_low_mask1(<2 x double> %vec, <2 x double> %mask) {
; CHECK-LABEL: test_masked_z_2xdouble_dup_low_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} xmm0 {%k1} {z} = xmm0[0,0]
; CHECK-NEXT:    retq
  %shuf = shufflevector <2 x double> %vec, <2 x double> undef, <2 x i32> <i32 0, i32 0>
  %cmp = fcmp oeq <2 x double> %mask, zeroinitializer
  %res = select <2 x i1> %cmp, <2 x double> %shuf, <2 x double> zeroinitializer
  ret <2 x double> %res
}
define <2 x double> @test_2xdouble_dup_low_mem(<2 x double>* %vp) {
; CHECK-LABEL: test_2xdouble_dup_low_mem:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovddup {{.*#+}} xmm0 = mem[0,0]
; CHECK-NEXT:    retq
  %vec = load <2 x double>, <2 x double>* %vp
  %res = shufflevector <2 x double> %vec, <2 x double> undef, <2 x i32> <i32 0, i32 0>
  ret <2 x double> %res
}
define <2 x double> @test_masked_2xdouble_dup_low_mem_mask0(<2 x double>* %vp, <2 x double> %vec2, <2 x double> %mask) {
; CHECK-LABEL: test_masked_2xdouble_dup_low_mem_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} xmm0 {%k1} = mem[0,0]
; CHECK-NEXT:    retq
  %vec = load <2 x double>, <2 x double>* %vp
  %shuf = shufflevector <2 x double> %vec, <2 x double> undef, <2 x i32> <i32 0, i32 0>
  %cmp = fcmp oeq <2 x double> %mask, zeroinitializer
  %res = select <2 x i1> %cmp, <2 x double> %shuf, <2 x double> %vec2
  ret <2 x double> %res
}

define <2 x double> @test_masked_z_2xdouble_dup_low_mem_mask0(<2 x double>* %vp, <2 x double> %mask) {
; CHECK-LABEL: test_masked_z_2xdouble_dup_low_mem_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqpd %xmm1, %xmm0, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} xmm0 {%k1} {z} = mem[0,0]
; CHECK-NEXT:    retq
  %vec = load <2 x double>, <2 x double>* %vp
  %shuf = shufflevector <2 x double> %vec, <2 x double> undef, <2 x i32> <i32 0, i32 0>
  %cmp = fcmp oeq <2 x double> %mask, zeroinitializer
  %res = select <2 x i1> %cmp, <2 x double> %shuf, <2 x double> zeroinitializer
  ret <2 x double> %res
}
define <2 x double> @test_masked_2xdouble_dup_low_mem_mask1(<2 x double>* %vp, <2 x double> %vec2, <2 x double> %mask) {
; CHECK-LABEL: test_masked_2xdouble_dup_low_mem_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} xmm0 {%k1} = mem[0,0]
; CHECK-NEXT:    retq
  %vec = load <2 x double>, <2 x double>* %vp
  %shuf = shufflevector <2 x double> %vec, <2 x double> undef, <2 x i32> <i32 0, i32 0>
  %cmp = fcmp oeq <2 x double> %mask, zeroinitializer
  %res = select <2 x i1> %cmp, <2 x double> %shuf, <2 x double> %vec2
  ret <2 x double> %res
}

define <2 x double> @test_masked_z_2xdouble_dup_low_mem_mask1(<2 x double>* %vp, <2 x double> %mask) {
; CHECK-LABEL: test_masked_z_2xdouble_dup_low_mem_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqpd %xmm1, %xmm0, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} xmm0 {%k1} {z} = mem[0,0]
; CHECK-NEXT:    retq
  %vec = load <2 x double>, <2 x double>* %vp
  %shuf = shufflevector <2 x double> %vec, <2 x double> undef, <2 x i32> <i32 0, i32 0>
  %cmp = fcmp oeq <2 x double> %mask, zeroinitializer
  %res = select <2 x i1> %cmp, <2 x double> %shuf, <2 x double> zeroinitializer
  ret <2 x double> %res
}
define <4 x double> @test_4xdouble_dup_low(<4 x double> %vec) {
; CHECK-LABEL: test_4xdouble_dup_low:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 = ymm0[0,0,2,2]
; CHECK-NEXT:    retq
  %res = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  ret <4 x double> %res
}
define <4 x double> @test_masked_4xdouble_dup_low_mask0(<4 x double> %vec, <4 x double> %vec2, <4 x double> %mask) {
; CHECK-LABEL: test_masked_4xdouble_dup_low_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqpd %ymm3, %ymm2, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm1 {%k1} = ymm0[0,0,2,2]
; CHECK-NEXT:    vmovapd %ymm1, %ymm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> %vec2
  ret <4 x double> %res
}

define <4 x double> @test_masked_z_4xdouble_dup_low_mask0(<4 x double> %vec, <4 x double> %mask) {
; CHECK-LABEL: test_masked_z_4xdouble_dup_low_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} {z} = ymm0[0,0,2,2]
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> zeroinitializer
  ret <4 x double> %res
}
define <4 x double> @test_masked_4xdouble_dup_low_mask1(<4 x double> %vec, <4 x double> %vec2, <4 x double> %mask) {
; CHECK-LABEL: test_masked_4xdouble_dup_low_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqpd %ymm3, %ymm2, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm1 {%k1} = ymm0[0,0,2,2]
; CHECK-NEXT:    vmovapd %ymm1, %ymm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> %vec2
  ret <4 x double> %res
}

define <4 x double> @test_masked_z_4xdouble_dup_low_mask1(<4 x double> %vec, <4 x double> %mask) {
; CHECK-LABEL: test_masked_z_4xdouble_dup_low_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} {z} = ymm0[0,0,2,2]
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> zeroinitializer
  ret <4 x double> %res
}
define <4 x double> @test_masked_4xdouble_dup_low_mask2(<4 x double> %vec, <4 x double> %vec2, <4 x double> %mask) {
; CHECK-LABEL: test_masked_4xdouble_dup_low_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqpd %ymm3, %ymm2, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm1 {%k1} = ymm0[0,0,2,2]
; CHECK-NEXT:    vmovapd %ymm1, %ymm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> %vec2
  ret <4 x double> %res
}

define <4 x double> @test_masked_z_4xdouble_dup_low_mask2(<4 x double> %vec, <4 x double> %mask) {
; CHECK-LABEL: test_masked_z_4xdouble_dup_low_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} {z} = ymm0[0,0,2,2]
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> zeroinitializer
  ret <4 x double> %res
}
define <4 x double> @test_masked_4xdouble_dup_low_mask3(<4 x double> %vec, <4 x double> %vec2, <4 x double> %mask) {
; CHECK-LABEL: test_masked_4xdouble_dup_low_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqpd %ymm3, %ymm2, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm1 {%k1} = ymm0[0,0,2,2]
; CHECK-NEXT:    vmovapd %ymm1, %ymm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> %vec2
  ret <4 x double> %res
}

define <4 x double> @test_masked_z_4xdouble_dup_low_mask3(<4 x double> %vec, <4 x double> %mask) {
; CHECK-LABEL: test_masked_z_4xdouble_dup_low_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} {z} = ymm0[0,0,2,2]
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> zeroinitializer
  ret <4 x double> %res
}
define <4 x double> @test_masked_4xdouble_dup_low_mask4(<4 x double> %vec, <4 x double> %vec2, <4 x double> %mask) {
; CHECK-LABEL: test_masked_4xdouble_dup_low_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqpd %ymm3, %ymm2, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm1 {%k1} = ymm0[0,0,2,2]
; CHECK-NEXT:    vmovapd %ymm1, %ymm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> %vec2
  ret <4 x double> %res
}

define <4 x double> @test_masked_z_4xdouble_dup_low_mask4(<4 x double> %vec, <4 x double> %mask) {
; CHECK-LABEL: test_masked_z_4xdouble_dup_low_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} {z} = ymm0[0,0,2,2]
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> zeroinitializer
  ret <4 x double> %res
}
define <4 x double> @test_4xdouble_dup_low_mem(<4 x double>* %vp) {
; CHECK-LABEL: test_4xdouble_dup_low_mem:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x double>, <4 x double>* %vp
  %res = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  ret <4 x double> %res
}
define <4 x double> @test_masked_4xdouble_dup_low_mem_mask0(<4 x double>* %vp, <4 x double> %vec2, <4 x double> %mask) {
; CHECK-LABEL: test_masked_4xdouble_dup_low_mem_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x double>, <4 x double>* %vp
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> %vec2
  ret <4 x double> %res
}

define <4 x double> @test_masked_z_4xdouble_dup_low_mem_mask0(<4 x double>* %vp, <4 x double> %mask) {
; CHECK-LABEL: test_masked_z_4xdouble_dup_low_mem_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqpd %ymm1, %ymm0, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} {z} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x double>, <4 x double>* %vp
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> zeroinitializer
  ret <4 x double> %res
}
define <4 x double> @test_masked_4xdouble_dup_low_mem_mask1(<4 x double>* %vp, <4 x double> %vec2, <4 x double> %mask) {
; CHECK-LABEL: test_masked_4xdouble_dup_low_mem_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x double>, <4 x double>* %vp
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> %vec2
  ret <4 x double> %res
}

define <4 x double> @test_masked_z_4xdouble_dup_low_mem_mask1(<4 x double>* %vp, <4 x double> %mask) {
; CHECK-LABEL: test_masked_z_4xdouble_dup_low_mem_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqpd %ymm1, %ymm0, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} {z} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x double>, <4 x double>* %vp
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> zeroinitializer
  ret <4 x double> %res
}
define <4 x double> @test_masked_4xdouble_dup_low_mem_mask2(<4 x double>* %vp, <4 x double> %vec2, <4 x double> %mask) {
; CHECK-LABEL: test_masked_4xdouble_dup_low_mem_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x double>, <4 x double>* %vp
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> %vec2
  ret <4 x double> %res
}

define <4 x double> @test_masked_z_4xdouble_dup_low_mem_mask2(<4 x double>* %vp, <4 x double> %mask) {
; CHECK-LABEL: test_masked_z_4xdouble_dup_low_mem_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqpd %ymm1, %ymm0, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} {z} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x double>, <4 x double>* %vp
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> zeroinitializer
  ret <4 x double> %res
}
define <4 x double> @test_masked_4xdouble_dup_low_mem_mask3(<4 x double>* %vp, <4 x double> %vec2, <4 x double> %mask) {
; CHECK-LABEL: test_masked_4xdouble_dup_low_mem_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x double>, <4 x double>* %vp
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> %vec2
  ret <4 x double> %res
}

define <4 x double> @test_masked_z_4xdouble_dup_low_mem_mask3(<4 x double>* %vp, <4 x double> %mask) {
; CHECK-LABEL: test_masked_z_4xdouble_dup_low_mem_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqpd %ymm1, %ymm0, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} {z} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x double>, <4 x double>* %vp
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> zeroinitializer
  ret <4 x double> %res
}
define <4 x double> @test_masked_4xdouble_dup_low_mem_mask4(<4 x double>* %vp, <4 x double> %vec2, <4 x double> %mask) {
; CHECK-LABEL: test_masked_4xdouble_dup_low_mem_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x double>, <4 x double>* %vp
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> %vec2
  ret <4 x double> %res
}

define <4 x double> @test_masked_z_4xdouble_dup_low_mem_mask4(<4 x double>* %vp, <4 x double> %mask) {
; CHECK-LABEL: test_masked_z_4xdouble_dup_low_mem_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqpd %ymm1, %ymm0, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} ymm0 {%k1} {z} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x double>, <4 x double>* %vp
  %shuf = shufflevector <4 x double> %vec, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x double> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x double> %shuf, <4 x double> zeroinitializer
  ret <4 x double> %res
}
define <8 x double> @test_8xdouble_dup_low(<8 x double> %vec) {
; CHECK-LABEL: test_8xdouble_dup_low:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 = zmm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %res = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  ret <8 x double> %res
}
define <8 x double> @test_masked_8xdouble_dup_low_mask0(<8 x double> %vec, <8 x double> %vec2, <8 x double> %mask) {
; CHECK-LABEL: test_masked_8xdouble_dup_low_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqpd %zmm3, %zmm2, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm1 {%k1} = zmm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    vmovapd %zmm1, %zmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> %vec2
  ret <8 x double> %res
}

define <8 x double> @test_masked_z_8xdouble_dup_low_mask0(<8 x double> %vec, <8 x double> %mask) {
; CHECK-LABEL: test_masked_z_8xdouble_dup_low_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} {z} = zmm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> zeroinitializer
  ret <8 x double> %res
}
define <8 x double> @test_masked_8xdouble_dup_low_mask1(<8 x double> %vec, <8 x double> %vec2, <8 x double> %mask) {
; CHECK-LABEL: test_masked_8xdouble_dup_low_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqpd %zmm3, %zmm2, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm1 {%k1} = zmm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    vmovapd %zmm1, %zmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> %vec2
  ret <8 x double> %res
}

define <8 x double> @test_masked_z_8xdouble_dup_low_mask1(<8 x double> %vec, <8 x double> %mask) {
; CHECK-LABEL: test_masked_z_8xdouble_dup_low_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} {z} = zmm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> zeroinitializer
  ret <8 x double> %res
}
define <8 x double> @test_masked_8xdouble_dup_low_mask2(<8 x double> %vec, <8 x double> %vec2, <8 x double> %mask) {
; CHECK-LABEL: test_masked_8xdouble_dup_low_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqpd %zmm3, %zmm2, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm1 {%k1} = zmm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    vmovapd %zmm1, %zmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> %vec2
  ret <8 x double> %res
}

define <8 x double> @test_masked_z_8xdouble_dup_low_mask2(<8 x double> %vec, <8 x double> %mask) {
; CHECK-LABEL: test_masked_z_8xdouble_dup_low_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} {z} = zmm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> zeroinitializer
  ret <8 x double> %res
}
define <8 x double> @test_masked_8xdouble_dup_low_mask3(<8 x double> %vec, <8 x double> %vec2, <8 x double> %mask) {
; CHECK-LABEL: test_masked_8xdouble_dup_low_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqpd %zmm3, %zmm2, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm1 {%k1} = zmm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    vmovapd %zmm1, %zmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> %vec2
  ret <8 x double> %res
}

define <8 x double> @test_masked_z_8xdouble_dup_low_mask3(<8 x double> %vec, <8 x double> %mask) {
; CHECK-LABEL: test_masked_z_8xdouble_dup_low_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} {z} = zmm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> zeroinitializer
  ret <8 x double> %res
}
define <8 x double> @test_masked_8xdouble_dup_low_mask4(<8 x double> %vec, <8 x double> %vec2, <8 x double> %mask) {
; CHECK-LABEL: test_masked_8xdouble_dup_low_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqpd %zmm3, %zmm2, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm1 {%k1} = zmm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    vmovapd %zmm1, %zmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> %vec2
  ret <8 x double> %res
}

define <8 x double> @test_masked_z_8xdouble_dup_low_mask4(<8 x double> %vec, <8 x double> %mask) {
; CHECK-LABEL: test_masked_z_8xdouble_dup_low_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} {z} = zmm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> zeroinitializer
  ret <8 x double> %res
}
define <8 x double> @test_8xdouble_dup_low_mem(<8 x double>* %vp) {
; CHECK-LABEL: test_8xdouble_dup_low_mem:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x double>, <8 x double>* %vp
  %res = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  ret <8 x double> %res
}
define <8 x double> @test_masked_8xdouble_dup_low_mem_mask0(<8 x double>* %vp, <8 x double> %vec2, <8 x double> %mask) {
; CHECK-LABEL: test_masked_8xdouble_dup_low_mem_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x double>, <8 x double>* %vp
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> %vec2
  ret <8 x double> %res
}

define <8 x double> @test_masked_z_8xdouble_dup_low_mem_mask0(<8 x double>* %vp, <8 x double> %mask) {
; CHECK-LABEL: test_masked_z_8xdouble_dup_low_mem_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqpd %zmm1, %zmm0, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x double>, <8 x double>* %vp
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> zeroinitializer
  ret <8 x double> %res
}
define <8 x double> @test_masked_8xdouble_dup_low_mem_mask1(<8 x double>* %vp, <8 x double> %vec2, <8 x double> %mask) {
; CHECK-LABEL: test_masked_8xdouble_dup_low_mem_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x double>, <8 x double>* %vp
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> %vec2
  ret <8 x double> %res
}

define <8 x double> @test_masked_z_8xdouble_dup_low_mem_mask1(<8 x double>* %vp, <8 x double> %mask) {
; CHECK-LABEL: test_masked_z_8xdouble_dup_low_mem_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqpd %zmm1, %zmm0, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x double>, <8 x double>* %vp
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> zeroinitializer
  ret <8 x double> %res
}
define <8 x double> @test_masked_8xdouble_dup_low_mem_mask2(<8 x double>* %vp, <8 x double> %vec2, <8 x double> %mask) {
; CHECK-LABEL: test_masked_8xdouble_dup_low_mem_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x double>, <8 x double>* %vp
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> %vec2
  ret <8 x double> %res
}

define <8 x double> @test_masked_z_8xdouble_dup_low_mem_mask2(<8 x double>* %vp, <8 x double> %mask) {
; CHECK-LABEL: test_masked_z_8xdouble_dup_low_mem_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqpd %zmm1, %zmm0, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x double>, <8 x double>* %vp
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> zeroinitializer
  ret <8 x double> %res
}
define <8 x double> @test_masked_8xdouble_dup_low_mem_mask3(<8 x double>* %vp, <8 x double> %vec2, <8 x double> %mask) {
; CHECK-LABEL: test_masked_8xdouble_dup_low_mem_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x double>, <8 x double>* %vp
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> %vec2
  ret <8 x double> %res
}

define <8 x double> @test_masked_z_8xdouble_dup_low_mem_mask3(<8 x double>* %vp, <8 x double> %mask) {
; CHECK-LABEL: test_masked_z_8xdouble_dup_low_mem_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqpd %zmm1, %zmm0, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x double>, <8 x double>* %vp
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> zeroinitializer
  ret <8 x double> %res
}
define <8 x double> @test_masked_8xdouble_dup_low_mem_mask4(<8 x double>* %vp, <8 x double> %vec2, <8 x double> %mask) {
; CHECK-LABEL: test_masked_8xdouble_dup_low_mem_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqpd %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x double>, <8 x double>* %vp
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> %vec2
  ret <8 x double> %res
}

define <8 x double> @test_masked_z_8xdouble_dup_low_mem_mask4(<8 x double>* %vp, <8 x double> %mask) {
; CHECK-LABEL: test_masked_z_8xdouble_dup_low_mem_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqpd %zmm1, %zmm0, %k1
; CHECK-NEXT:    vmovddup {{.*#+}} zmm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x double>, <8 x double>* %vp
  %shuf = shufflevector <8 x double> %vec, <8 x double> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x double> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x double> %shuf, <8 x double> zeroinitializer
  ret <8 x double> %res
}
define <4 x float> @test_4xfloat_dup_low(<4 x float> %vec) {
; CHECK-LABEL: test_4xfloat_dup_low:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 = xmm0[0,0,2,2]
; CHECK-NEXT:    retq
  %res = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  ret <4 x float> %res
}
define <4 x float> @test_masked_4xfloat_dup_low_mask0(<4 x float> %vec, <4 x float> %vec2, <4 x float> %mask) {
; CHECK-LABEL: test_masked_4xfloat_dup_low_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %xmm3, %xmm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm1 {%k1} = xmm0[0,0,2,2]
; CHECK-NEXT:    vmovaps %xmm1, %xmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> %vec2
  ret <4 x float> %res
}

define <4 x float> @test_masked_z_4xfloat_dup_low_mask0(<4 x float> %vec, <4 x float> %mask) {
; CHECK-LABEL: test_masked_z_4xfloat_dup_low_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} {z} = xmm0[0,0,2,2]
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> zeroinitializer
  ret <4 x float> %res
}
define <4 x float> @test_masked_4xfloat_dup_low_mask1(<4 x float> %vec, <4 x float> %vec2, <4 x float> %mask) {
; CHECK-LABEL: test_masked_4xfloat_dup_low_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %xmm3, %xmm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm1 {%k1} = xmm0[0,0,2,2]
; CHECK-NEXT:    vmovaps %xmm1, %xmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> %vec2
  ret <4 x float> %res
}

define <4 x float> @test_masked_z_4xfloat_dup_low_mask1(<4 x float> %vec, <4 x float> %mask) {
; CHECK-LABEL: test_masked_z_4xfloat_dup_low_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} {z} = xmm0[0,0,2,2]
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> zeroinitializer
  ret <4 x float> %res
}
define <4 x float> @test_masked_4xfloat_dup_low_mask2(<4 x float> %vec, <4 x float> %vec2, <4 x float> %mask) {
; CHECK-LABEL: test_masked_4xfloat_dup_low_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %xmm3, %xmm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm1 {%k1} = xmm0[0,0,2,2]
; CHECK-NEXT:    vmovaps %xmm1, %xmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> %vec2
  ret <4 x float> %res
}

define <4 x float> @test_masked_z_4xfloat_dup_low_mask2(<4 x float> %vec, <4 x float> %mask) {
; CHECK-LABEL: test_masked_z_4xfloat_dup_low_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} {z} = xmm0[0,0,2,2]
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> zeroinitializer
  ret <4 x float> %res
}
define <4 x float> @test_masked_4xfloat_dup_low_mask3(<4 x float> %vec, <4 x float> %vec2, <4 x float> %mask) {
; CHECK-LABEL: test_masked_4xfloat_dup_low_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %xmm3, %xmm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm1 {%k1} = xmm0[0,0,2,2]
; CHECK-NEXT:    vmovaps %xmm1, %xmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> %vec2
  ret <4 x float> %res
}

define <4 x float> @test_masked_z_4xfloat_dup_low_mask3(<4 x float> %vec, <4 x float> %mask) {
; CHECK-LABEL: test_masked_z_4xfloat_dup_low_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} {z} = xmm0[0,0,2,2]
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> zeroinitializer
  ret <4 x float> %res
}
define <4 x float> @test_masked_4xfloat_dup_low_mask4(<4 x float> %vec, <4 x float> %vec2, <4 x float> %mask) {
; CHECK-LABEL: test_masked_4xfloat_dup_low_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %xmm3, %xmm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm1 {%k1} = xmm0[0,0,2,2]
; CHECK-NEXT:    vmovaps %xmm1, %xmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> %vec2
  ret <4 x float> %res
}

define <4 x float> @test_masked_z_4xfloat_dup_low_mask4(<4 x float> %vec, <4 x float> %mask) {
; CHECK-LABEL: test_masked_z_4xfloat_dup_low_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} {z} = xmm0[0,0,2,2]
; CHECK-NEXT:    retq
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> zeroinitializer
  ret <4 x float> %res
}
define <4 x float> @test_4xfloat_dup_low_mem(<4 x float>* %vp) {
; CHECK-LABEL: test_4xfloat_dup_low_mem:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x float>, <4 x float>* %vp
  %res = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  ret <4 x float> %res
}
define <4 x float> @test_masked_4xfloat_dup_low_mem_mask0(<4 x float>* %vp, <4 x float> %vec2, <4 x float> %mask) {
; CHECK-LABEL: test_masked_4xfloat_dup_low_mem_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x float>, <4 x float>* %vp
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> %vec2
  ret <4 x float> %res
}

define <4 x float> @test_masked_z_4xfloat_dup_low_mem_mask0(<4 x float>* %vp, <4 x float> %mask) {
; CHECK-LABEL: test_masked_z_4xfloat_dup_low_mem_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %xmm1, %xmm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} {z} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x float>, <4 x float>* %vp
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> zeroinitializer
  ret <4 x float> %res
}
define <4 x float> @test_masked_4xfloat_dup_low_mem_mask1(<4 x float>* %vp, <4 x float> %vec2, <4 x float> %mask) {
; CHECK-LABEL: test_masked_4xfloat_dup_low_mem_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x float>, <4 x float>* %vp
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> %vec2
  ret <4 x float> %res
}

define <4 x float> @test_masked_z_4xfloat_dup_low_mem_mask1(<4 x float>* %vp, <4 x float> %mask) {
; CHECK-LABEL: test_masked_z_4xfloat_dup_low_mem_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %xmm1, %xmm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} {z} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x float>, <4 x float>* %vp
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> zeroinitializer
  ret <4 x float> %res
}
define <4 x float> @test_masked_4xfloat_dup_low_mem_mask2(<4 x float>* %vp, <4 x float> %vec2, <4 x float> %mask) {
; CHECK-LABEL: test_masked_4xfloat_dup_low_mem_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x float>, <4 x float>* %vp
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> %vec2
  ret <4 x float> %res
}

define <4 x float> @test_masked_z_4xfloat_dup_low_mem_mask2(<4 x float>* %vp, <4 x float> %mask) {
; CHECK-LABEL: test_masked_z_4xfloat_dup_low_mem_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %xmm1, %xmm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} {z} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x float>, <4 x float>* %vp
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> zeroinitializer
  ret <4 x float> %res
}
define <4 x float> @test_masked_4xfloat_dup_low_mem_mask3(<4 x float>* %vp, <4 x float> %vec2, <4 x float> %mask) {
; CHECK-LABEL: test_masked_4xfloat_dup_low_mem_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x float>, <4 x float>* %vp
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> %vec2
  ret <4 x float> %res
}

define <4 x float> @test_masked_z_4xfloat_dup_low_mem_mask3(<4 x float>* %vp, <4 x float> %mask) {
; CHECK-LABEL: test_masked_z_4xfloat_dup_low_mem_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %xmm1, %xmm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} {z} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x float>, <4 x float>* %vp
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> zeroinitializer
  ret <4 x float> %res
}
define <4 x float> @test_masked_4xfloat_dup_low_mem_mask4(<4 x float>* %vp, <4 x float> %vec2, <4 x float> %mask) {
; CHECK-LABEL: test_masked_4xfloat_dup_low_mem_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %xmm2, %xmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x float>, <4 x float>* %vp
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> %vec2
  ret <4 x float> %res
}

define <4 x float> @test_masked_z_4xfloat_dup_low_mem_mask4(<4 x float>* %vp, <4 x float> %mask) {
; CHECK-LABEL: test_masked_z_4xfloat_dup_low_mem_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %xmm1, %xmm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} xmm0 {%k1} {z} = mem[0,0,2,2]
; CHECK-NEXT:    retq
  %vec = load <4 x float>, <4 x float>* %vp
  %shuf = shufflevector <4 x float> %vec, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
  %cmp = fcmp oeq <4 x float> %mask, zeroinitializer
  %res = select <4 x i1> %cmp, <4 x float> %shuf, <4 x float> zeroinitializer
  ret <4 x float> %res
}
define <8 x float> @test_8xfloat_dup_low(<8 x float> %vec) {
; CHECK-LABEL: test_8xfloat_dup_low:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 = ymm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %res = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  ret <8 x float> %res
}
define <8 x float> @test_masked_8xfloat_dup_low_mask0(<8 x float> %vec, <8 x float> %vec2, <8 x float> %mask) {
; CHECK-LABEL: test_masked_8xfloat_dup_low_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %ymm3, %ymm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm1 {%k1} = ymm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    vmovaps %ymm1, %ymm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> %vec2
  ret <8 x float> %res
}

define <8 x float> @test_masked_z_8xfloat_dup_low_mask0(<8 x float> %vec, <8 x float> %mask) {
; CHECK-LABEL: test_masked_z_8xfloat_dup_low_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} {z} = ymm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> zeroinitializer
  ret <8 x float> %res
}
define <8 x float> @test_masked_8xfloat_dup_low_mask1(<8 x float> %vec, <8 x float> %vec2, <8 x float> %mask) {
; CHECK-LABEL: test_masked_8xfloat_dup_low_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %ymm3, %ymm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm1 {%k1} = ymm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    vmovaps %ymm1, %ymm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> %vec2
  ret <8 x float> %res
}

define <8 x float> @test_masked_z_8xfloat_dup_low_mask1(<8 x float> %vec, <8 x float> %mask) {
; CHECK-LABEL: test_masked_z_8xfloat_dup_low_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} {z} = ymm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> zeroinitializer
  ret <8 x float> %res
}
define <8 x float> @test_masked_8xfloat_dup_low_mask2(<8 x float> %vec, <8 x float> %vec2, <8 x float> %mask) {
; CHECK-LABEL: test_masked_8xfloat_dup_low_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %ymm3, %ymm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm1 {%k1} = ymm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    vmovaps %ymm1, %ymm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> %vec2
  ret <8 x float> %res
}

define <8 x float> @test_masked_z_8xfloat_dup_low_mask2(<8 x float> %vec, <8 x float> %mask) {
; CHECK-LABEL: test_masked_z_8xfloat_dup_low_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} {z} = ymm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> zeroinitializer
  ret <8 x float> %res
}
define <8 x float> @test_masked_8xfloat_dup_low_mask3(<8 x float> %vec, <8 x float> %vec2, <8 x float> %mask) {
; CHECK-LABEL: test_masked_8xfloat_dup_low_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %ymm3, %ymm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm1 {%k1} = ymm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    vmovaps %ymm1, %ymm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> %vec2
  ret <8 x float> %res
}

define <8 x float> @test_masked_z_8xfloat_dup_low_mask3(<8 x float> %vec, <8 x float> %mask) {
; CHECK-LABEL: test_masked_z_8xfloat_dup_low_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} {z} = ymm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> zeroinitializer
  ret <8 x float> %res
}
define <8 x float> @test_masked_8xfloat_dup_low_mask4(<8 x float> %vec, <8 x float> %vec2, <8 x float> %mask) {
; CHECK-LABEL: test_masked_8xfloat_dup_low_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %ymm3, %ymm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm1 {%k1} = ymm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    vmovaps %ymm1, %ymm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> %vec2
  ret <8 x float> %res
}

define <8 x float> @test_masked_z_8xfloat_dup_low_mask4(<8 x float> %vec, <8 x float> %mask) {
; CHECK-LABEL: test_masked_z_8xfloat_dup_low_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} {z} = ymm0[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> zeroinitializer
  ret <8 x float> %res
}
define <8 x float> @test_8xfloat_dup_low_mem(<8 x float>* %vp) {
; CHECK-LABEL: test_8xfloat_dup_low_mem:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x float>, <8 x float>* %vp
  %res = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  ret <8 x float> %res
}
define <8 x float> @test_masked_8xfloat_dup_low_mem_mask0(<8 x float>* %vp, <8 x float> %vec2, <8 x float> %mask) {
; CHECK-LABEL: test_masked_8xfloat_dup_low_mem_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x float>, <8 x float>* %vp
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> %vec2
  ret <8 x float> %res
}

define <8 x float> @test_masked_z_8xfloat_dup_low_mem_mask0(<8 x float>* %vp, <8 x float> %mask) {
; CHECK-LABEL: test_masked_z_8xfloat_dup_low_mem_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %ymm1, %ymm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x float>, <8 x float>* %vp
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> zeroinitializer
  ret <8 x float> %res
}
define <8 x float> @test_masked_8xfloat_dup_low_mem_mask1(<8 x float>* %vp, <8 x float> %vec2, <8 x float> %mask) {
; CHECK-LABEL: test_masked_8xfloat_dup_low_mem_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x float>, <8 x float>* %vp
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> %vec2
  ret <8 x float> %res
}

define <8 x float> @test_masked_z_8xfloat_dup_low_mem_mask1(<8 x float>* %vp, <8 x float> %mask) {
; CHECK-LABEL: test_masked_z_8xfloat_dup_low_mem_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %ymm1, %ymm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x float>, <8 x float>* %vp
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> zeroinitializer
  ret <8 x float> %res
}
define <8 x float> @test_masked_8xfloat_dup_low_mem_mask2(<8 x float>* %vp, <8 x float> %vec2, <8 x float> %mask) {
; CHECK-LABEL: test_masked_8xfloat_dup_low_mem_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x float>, <8 x float>* %vp
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> %vec2
  ret <8 x float> %res
}

define <8 x float> @test_masked_z_8xfloat_dup_low_mem_mask2(<8 x float>* %vp, <8 x float> %mask) {
; CHECK-LABEL: test_masked_z_8xfloat_dup_low_mem_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %ymm1, %ymm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x float>, <8 x float>* %vp
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> zeroinitializer
  ret <8 x float> %res
}
define <8 x float> @test_masked_8xfloat_dup_low_mem_mask3(<8 x float>* %vp, <8 x float> %vec2, <8 x float> %mask) {
; CHECK-LABEL: test_masked_8xfloat_dup_low_mem_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x float>, <8 x float>* %vp
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> %vec2
  ret <8 x float> %res
}

define <8 x float> @test_masked_z_8xfloat_dup_low_mem_mask3(<8 x float>* %vp, <8 x float> %mask) {
; CHECK-LABEL: test_masked_z_8xfloat_dup_low_mem_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %ymm1, %ymm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x float>, <8 x float>* %vp
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> zeroinitializer
  ret <8 x float> %res
}
define <8 x float> @test_masked_8xfloat_dup_low_mem_mask4(<8 x float>* %vp, <8 x float> %vec2, <8 x float> %mask) {
; CHECK-LABEL: test_masked_8xfloat_dup_low_mem_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %ymm2, %ymm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x float>, <8 x float>* %vp
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> %vec2
  ret <8 x float> %res
}

define <8 x float> @test_masked_z_8xfloat_dup_low_mem_mask4(<8 x float>* %vp, <8 x float> %mask) {
; CHECK-LABEL: test_masked_z_8xfloat_dup_low_mem_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %ymm1, %ymm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} ymm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6]
; CHECK-NEXT:    retq
  %vec = load <8 x float>, <8 x float>* %vp
  %shuf = shufflevector <8 x float> %vec, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
  %cmp = fcmp oeq <8 x float> %mask, zeroinitializer
  %res = select <8 x i1> %cmp, <8 x float> %shuf, <8 x float> zeroinitializer
  ret <8 x float> %res
}
define <16 x float> @test_16xfloat_dup_low(<16 x float> %vec) {
; CHECK-LABEL: test_16xfloat_dup_low:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 = zmm0[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %res = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  ret <16 x float> %res
}
define <16 x float> @test_masked_16xfloat_dup_low_mask0(<16 x float> %vec, <16 x float> %vec2, <16 x float> %mask) {
; CHECK-LABEL: test_masked_16xfloat_dup_low_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %zmm3, %zmm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm1 {%k1} = zmm0[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    vmovaps %zmm1, %zmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> %vec2
  ret <16 x float> %res
}

define <16 x float> @test_masked_z_16xfloat_dup_low_mask0(<16 x float> %vec, <16 x float> %mask) {
; CHECK-LABEL: test_masked_z_16xfloat_dup_low_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} {z} = zmm0[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> zeroinitializer
  ret <16 x float> %res
}
define <16 x float> @test_masked_16xfloat_dup_low_mask1(<16 x float> %vec, <16 x float> %vec2, <16 x float> %mask) {
; CHECK-LABEL: test_masked_16xfloat_dup_low_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %zmm3, %zmm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm1 {%k1} = zmm0[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    vmovaps %zmm1, %zmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> %vec2
  ret <16 x float> %res
}

define <16 x float> @test_masked_z_16xfloat_dup_low_mask1(<16 x float> %vec, <16 x float> %mask) {
; CHECK-LABEL: test_masked_z_16xfloat_dup_low_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} {z} = zmm0[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> zeroinitializer
  ret <16 x float> %res
}
define <16 x float> @test_masked_16xfloat_dup_low_mask2(<16 x float> %vec, <16 x float> %vec2, <16 x float> %mask) {
; CHECK-LABEL: test_masked_16xfloat_dup_low_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %zmm3, %zmm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm1 {%k1} = zmm0[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    vmovaps %zmm1, %zmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> %vec2
  ret <16 x float> %res
}

define <16 x float> @test_masked_z_16xfloat_dup_low_mask2(<16 x float> %vec, <16 x float> %mask) {
; CHECK-LABEL: test_masked_z_16xfloat_dup_low_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} {z} = zmm0[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> zeroinitializer
  ret <16 x float> %res
}
define <16 x float> @test_masked_16xfloat_dup_low_mask3(<16 x float> %vec, <16 x float> %vec2, <16 x float> %mask) {
; CHECK-LABEL: test_masked_16xfloat_dup_low_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %zmm3, %zmm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm1 {%k1} = zmm0[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    vmovaps %zmm1, %zmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> %vec2
  ret <16 x float> %res
}

define <16 x float> @test_masked_z_16xfloat_dup_low_mask3(<16 x float> %vec, <16 x float> %mask) {
; CHECK-LABEL: test_masked_z_16xfloat_dup_low_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} {z} = zmm0[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> zeroinitializer
  ret <16 x float> %res
}
define <16 x float> @test_masked_16xfloat_dup_low_mask4(<16 x float> %vec, <16 x float> %vec2, <16 x float> %mask) {
; CHECK-LABEL: test_masked_16xfloat_dup_low_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm3, %xmm3, %xmm3
; CHECK-NEXT:    vcmpeqps %zmm3, %zmm2, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm1 {%k1} = zmm0[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    vmovaps %zmm1, %zmm0
; CHECK-NEXT:    retq
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> %vec2
  ret <16 x float> %res
}

define <16 x float> @test_masked_z_16xfloat_dup_low_mask4(<16 x float> %vec, <16 x float> %mask) {
; CHECK-LABEL: test_masked_z_16xfloat_dup_low_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} {z} = zmm0[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> zeroinitializer
  ret <16 x float> %res
}
define <16 x float> @test_16xfloat_dup_low_mem(<16 x float>* %vp) {
; CHECK-LABEL: test_16xfloat_dup_low_mem:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 = mem[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %vec = load <16 x float>, <16 x float>* %vp
  %res = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  ret <16 x float> %res
}
define <16 x float> @test_masked_16xfloat_dup_low_mem_mask0(<16 x float>* %vp, <16 x float> %vec2, <16 x float> %mask) {
; CHECK-LABEL: test_masked_16xfloat_dup_low_mem_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} = mem[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %vec = load <16 x float>, <16 x float>* %vp
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> %vec2
  ret <16 x float> %res
}

define <16 x float> @test_masked_z_16xfloat_dup_low_mem_mask0(<16 x float>* %vp, <16 x float> %mask) {
; CHECK-LABEL: test_masked_z_16xfloat_dup_low_mem_mask0:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %zmm1, %zmm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %vec = load <16 x float>, <16 x float>* %vp
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> zeroinitializer
  ret <16 x float> %res
}
define <16 x float> @test_masked_16xfloat_dup_low_mem_mask1(<16 x float>* %vp, <16 x float> %vec2, <16 x float> %mask) {
; CHECK-LABEL: test_masked_16xfloat_dup_low_mem_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} = mem[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %vec = load <16 x float>, <16 x float>* %vp
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> %vec2
  ret <16 x float> %res
}

define <16 x float> @test_masked_z_16xfloat_dup_low_mem_mask1(<16 x float>* %vp, <16 x float> %mask) {
; CHECK-LABEL: test_masked_z_16xfloat_dup_low_mem_mask1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %zmm1, %zmm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %vec = load <16 x float>, <16 x float>* %vp
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> zeroinitializer
  ret <16 x float> %res
}
define <16 x float> @test_masked_16xfloat_dup_low_mem_mask2(<16 x float>* %vp, <16 x float> %vec2, <16 x float> %mask) {
; CHECK-LABEL: test_masked_16xfloat_dup_low_mem_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} = mem[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %vec = load <16 x float>, <16 x float>* %vp
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> %vec2
  ret <16 x float> %res
}

define <16 x float> @test_masked_z_16xfloat_dup_low_mem_mask2(<16 x float>* %vp, <16 x float> %mask) {
; CHECK-LABEL: test_masked_z_16xfloat_dup_low_mem_mask2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %zmm1, %zmm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %vec = load <16 x float>, <16 x float>* %vp
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> zeroinitializer
  ret <16 x float> %res
}
define <16 x float> @test_masked_16xfloat_dup_low_mem_mask3(<16 x float>* %vp, <16 x float> %vec2, <16 x float> %mask) {
; CHECK-LABEL: test_masked_16xfloat_dup_low_mem_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} = mem[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %vec = load <16 x float>, <16 x float>* %vp
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> %vec2
  ret <16 x float> %res
}

define <16 x float> @test_masked_z_16xfloat_dup_low_mem_mask3(<16 x float>* %vp, <16 x float> %mask) {
; CHECK-LABEL: test_masked_z_16xfloat_dup_low_mem_mask3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %zmm1, %zmm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %vec = load <16 x float>, <16 x float>* %vp
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> zeroinitializer
  ret <16 x float> %res
}
define <16 x float> @test_masked_16xfloat_dup_low_mem_mask4(<16 x float>* %vp, <16 x float> %vec2, <16 x float> %mask) {
; CHECK-LABEL: test_masked_16xfloat_dup_low_mem_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
; CHECK-NEXT:    vcmpeqps %zmm2, %zmm1, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} = mem[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %vec = load <16 x float>, <16 x float>* %vp
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> %vec2
  ret <16 x float> %res
}

define <16 x float> @test_masked_z_16xfloat_dup_low_mem_mask4(<16 x float>* %vp, <16 x float> %mask) {
; CHECK-LABEL: test_masked_z_16xfloat_dup_low_mem_mask4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT:    vcmpeqps %zmm1, %zmm0, %k1
; CHECK-NEXT:    vmovsldup {{.*#+}} zmm0 {%k1} {z} = mem[0,0,2,2,4,4,6,6,8,8,10,10,12,12,14,14]
; CHECK-NEXT:    retq
  %vec = load <16 x float>, <16 x float>* %vp
  %shuf = shufflevector <16 x float> %vec, <16 x float> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
  %cmp = fcmp oeq <16 x float> %mask, zeroinitializer
  %res = select <16 x i1> %cmp, <16 x float> %shuf, <16 x float> zeroinitializer
  ret <16 x float> %res
}